AssertionError: 17 != 18 when trying to comuit to bzr.debian.org

[Laurent Bigonville]

I try to commit changes to a branch hosted in bzr.debian.org. the public branch can be fetched at http://bzr.debian.org/pkg-telepathy/packages/unstable/telepathy-inspector/

I get the folowing backtrace with the bzr version on hardy (1.3.1~rc1-0ubuntu1)

$ debcommit -c changelog
bzr commit -m '* Add myself as uploader
* debian/control: Add the Vcs-Bzr and Homepage field'
Committing to: bzr+ssh://bzr.debian.org/bzr/pkg-telepathy/packages/unstable/telepathy-inspector/
modified changelog
modified control
Server is too old for fast get_parent_map, reconnecting. (Upgrade the server to Bazaar 1.2 to avoid this)
bzr: ERROR: exceptions.AssertionError: 17 != 18

Traceback (most recent call last):
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 834, in run_bzr_catch_errors
    return run_bzr(argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 790, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib/python2.5/site-packages/bzrlib/commands.py", line 492, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib/python2.5/site-packages/bzrlib/builtins.py", line 2355, in run
    author=author)
  File "/usr/lib/python2.5/site-packages/bzrlib/decorators.py", line 165, in write_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/workingtree_4.py", line 246, in commit
    result = WorkingTree3.commit(self, message, revprops, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/decorators.py", line 165, in write_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/mutabletree.py", line 187, in commit
    revprops=revprops, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/commit.py", line 393, in commit
    self.rev_id)
  File "/usr/lib/python2.5/site-packages/bzrlib/remote.py", line 1506, in set_last_revision_info
    return self._real_branch.set_last_revision_info(revno, revision_id)
  File "/usr/lib/python2.5/site-packages/bzrlib/decorators.py", line 165, in write_locked
    return unbound(self, *args, **kwargs)
  File "/usr/lib/python2.5/site-packages/bzrlib/branch.py", line 1398, in set_last_revision_info
    assert len(history) == revno, '%d != %d' % (len(history), revno)
AssertionError: 17 != 18

bzr 1.3.1rc1 on python 2.5.2.final.0 (linux2)
arguments: ['/usr/bin/bzr', 'commit', '-m', '* Add myself as uploader\n* debian/control: Add the Vcs-Bzr and Homepage field']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'fr_BE.UTF-8'
plugins:
  builddeb /usr/lib/python2.5/site-packages/bzrlib/plugins/builddeb [0.92.0dev0]
  bzrtools /usr/lib/python2.5/site-packages/bzrlib/plugins/bzrtools [1.3.0]
  launchpad /usr/lib/python2.5/site-packages/bzrlib/plugins/launchpad [unknown]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.
debcommit: commit failed

[Laurent Bigonville (bigon)]

The version on the server seems to be 1.1~rc1-1~bpo40+1~lolando